const path = require('path')
const webpack = require('webpack')
const GitRevisionPlugin = require('git-revision-webpack-plugin')
const GitRevision = new GitRevisionPlugin()
const buildDate = JSON.stringify(new Date().toLocaleString())
const CompressionWebpackPlugin = require('compression-webpack-plugin')
// const createThemeColorReplacerPlugin = require('./config/plugin.config')

function resolve(dir) {
  return path.join(__dirname, dir)
}

// check Git
function getGitHash() {
  try {
    return GitRevision.version()
  } catch (e) {}
  return 'unknown'
}

const isProd = process.env.NODE_ENV === 'production'

const assetsCDN = {
  // webpack build externals
  externals: {
    vue: 'Vue',
    'vue-router': 'VueRouter',
    vuex: 'Vuex',
    axios: 'axios',
  },
  css: [],
  // https://unpkg.com/browse/vue@2.6.10/
  js: ['/cdn/vue.min.js', '/cdn/vue-router.min.js', '/cdn/vuex.min.js', '/cdn/axios.min.js'],
}

// vue.config.js
const vueConfig = {
  // publicPath: "./",
  outputDir: './dist',
  configureWebpack: {
    // webpack plugins
    plugins: [
      // Ignore all locale files of moment.js
      new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
      new webpack.DefinePlugin({
        APP_VERSION: `"${require('./package.json').version}"`,
        GIT_HASH: JSON.stringify(getGitHash()),
        BUILD_DATE: buildDate,
      }),
      new CompressionWebpackPlugin({
        // 正在匹配需要压缩的文件后缀
        test: /\.(js|css|svg|woff|ttf|json|html|less)$/,
        // 大于10kb的会压缩
        threshold: 10240,
      }),
    ],
    // if prod, add externals
    // externals: isProd ? assetsCDN.externals : {}
  },

  chainWebpack: (config) => {
    config.resolve.alias.set('@$', resolve('src'))
    config.performance.set('hints', false)

    // 移除 preload 插件
    config.plugins.delete('preload')
    // 移除 prefetch 插件
    config.plugins.delete('prefetch')

    const svgRule = config.module.rule('svg')
    svgRule.uses.clear()
    svgRule
      .oneOf('inline')
      .resourceQuery(/inline/)
      .use('vue-svg-icon-loader')
      .loader('vue-svg-icon-loader')
      .end()
      .end()
      .oneOf('external')
      .use('file-loader')
      .loader('file-loader')
      .options({
        name: 'assets/[name].[hash:8].[ext]',
      })

    // if prod is on
    // assets require on cdn
    // if (isProd) {
    //   config.plugin('html').tap((args) => {
    //     args[0].cdn = assetsCDN
    //     return args
    //   })
    // }
  },
  css: {
    loaderOptions: {
      less: {
        modifyVars: {},
        // DO NOT REMOVE THIS LINE
        javascriptEnabled: true,
      },
    },
  },
  pluginOptions: {
    'style-resources-loader': {
      preProcessor: 'less',
      patterns: [path.resolve(__dirname, './src/styles/common/common.less')],
    },
  },
  devServer: {
    // development server port 8000
    port: 8001,
    // If you want to turn on the proxy, please remove the mockjs /src/main.jsL11
    proxy: {
      '/api': {
        target: 'http://localhost:9000',
        ws: false,
        changeOrigin: true,
        pathRewrite: {
          '^/api': '/api/v1',
        },
      },
      '/resource': {
        target: 'https://static.fhtwl.cc',
        ws: false,
        changeOrigin: true,
        pathRewrite: {
          '^/resource': '/',
        },
      },
    },
  },

  // disable source map in production
  productionSourceMap: false,
  lintOnSave: undefined,
  // babel-loader no-ignore node_modules/*
  transpileDependencies: [],
}

// preview.pro.loacg.com only do not use in your production;
// if (process.env.VUE_APP_PREVIEW === 'true') {
//   // add `ThemeColorReplacer` plugin to webpack plugins
//   vueConfig.configureWebpack.plugins.push(createThemeColorReplacerPlugin())
// }

module.exports = vueConfig
